737421021340 has 24 divisors (see below), whose sum is σ = 1549722030192. Its totient is φ = 294751668480.

The previous prime is 737421021313. The next prime is 737421021341. The reversal of 737421021340 is 43120124737.

It is a junction number, because it is equal to n+sod(n) for n = 737421021296 and 737421021305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (737421021341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13518354 + ... + 13572793.

It is an arithmetic number, because the mean of its divisors is an integer number (64571751258).

Almost surely, 2^737421021340 is an apocalyptic number.

It is an amenable number.

737421021340 is an abundant number, since it is smaller than the sum of its proper divisors (812301008852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

737421021340 is a wasteful number, since it uses less digits than its factorization.

737421021340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27092517 (or 27092515 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 737421021340 in words is "seven hundred thirty-seven billion, four hundred twenty-one million, twenty-one thousand, three hundred forty".